Supercluster vs Note Essence
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Supercluster
Stay updated on all space missions with live launch tracking, detailed spacecraft specs, and original photography. Explore an interactive astronaut database, monitor space stations, and even get notifications for when the ISS is visible from your location.
- Live launch tracking and schedules
- Interactive astronaut database
- Space station monitoring (ISS, Tiangong)
- ISS sighting notifications
- Spacecraft and payload specifications
- Original spaceflight photography
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Supercluster is your homebase for everything happening in space. The Launch Tracker keeps you up to the minute on every space mission happening anywhere on Earth. Stream launches live, get notifications, and learn about spacecraft and payload specs — with launch coverage and images from the Supercluster network, including some of the top space photographers working today. For crewed missions, go deeper with our interactive Astronaut Database, the most complete record of every living thing to leave planet Earth. Browse and sort astronauts by craft, mission, and nations. Research all-time space record holders, and explore the new world of commercial spaceflight. All missions to the International Space Station and China’s Tiangong Space Station can be monitored via our Stations Dashboard. Follow vehicles dispatched by SpaceX, Roscosmos, and others, and keep up with crewmembers ferried to each station. Maps show the global positions of each orbiting laboratory, and a timetable records arrivals and future departures. Want to see the ISS for yourself? Just look up. The Supercluster App now integrates Space Station Sightings — select notifications to receive updates when the ISS is above you, check visibility ratings, and get directions for where and when to look. Space is closer than you think. FEATURES — Track Launches - Rocket Launch Schedule - Push Notifications — Never Miss A Launch - Live Stream Right Through The App - Original Spaceflight Photography - International Missions, Experimental Launches, And Classified Government Payloads. - Around The Clock Updates And Monitoring - Search Through Past Historic Launches - Rocket Updates And Tech Specs - Payload Information - Launch And Landing Pad Details - Featured Articles — Search Astronauts - Every Living Thing to Leave Planet Earth - Who is Currently in Space? - Search Humans, Animals, Fungi, (Even Robots) - Filter by SpaceCraft, Missions, Nations - Compare Astronaut Record and Statistics - See Shared Missions Across Multiple Crews - Learn Space Travel History - Discover Surprising Patterns in Spaceflight — Follow Space Stations - Every Docked Spacecraft - Onboard Crew Profiles - Arrival and Departure Schedules - View ISS Overhead - Track Location Above Earth - Integrates with Astronaut Database
Note Essence
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Note Essence turns quick thoughts into organized, searchable knowledge — with a little AI help along the way. Write a note, tag it, and it's instantly part of your personal library. Search across everything you've written to find what you need in seconds. Keep each note private for your eyes only, or mark it public to share — you decide per note, with a default you set once in Settings. BUILT-IN RESEARCH TOOLS Note Essence doesn't stop at plain text. While you're writing, pull in what you need without leaving the editor: - AI Summarize — condense a long note down to its key points in one tap - Wikipedia lookup — fetch a quick reference extract right into your note - Google Translate — translate note content to another language on the fly STAY ORGANIZED - Tag notes however makes sense to you, and filter by tag later - Instant search across titles and content - Public/private visibility, set per note or by default DESIGNED FOR HOW YOU WORK - Clean, distraction-free editor - Full dark mode support - Simple drawer navigation to move between your notes, profile, and settings - Secure email/password login with email verification Manage your profile and account from Settings, including the option to delete your account and data at any time. Whether you're capturing a fleeting idea, researching a topic, or keeping a running log of your thinking, Note Essence keeps it fast, organized, and just smart enough to help.
Screenshots
Verdict
The clearest difference is rating: Note Essence at 5.0 against Supercluster's 4.4. Note Essence also leads on update cadence (weekly vs monthly). Supercluster's advantage is ratings volume (190 vs 1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Note Essence holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Supercluster has 190 ratings behind it against 1, so its average is the more settled of the two.
Supercluster ships an update monthly, Note Essence weekly. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.
| Parameter | Supercluster | Note Essence |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (190 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 69.0% of reviews | — |
| Number of ratings | 190 — better | 1 |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 46 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Supercluster LLC | Nathan Chackerian |
Customer experience
Supercluster
Note Essence
Bugs and requests
Supercluster
Reported bugs
10 issues- App crashes randomly when reading articles or launch details
- Notifications not working despite being enabled in settings
- Missed launches not appearing in app schedule
- ISS location display ahead of actual position
- Conflicting notification alerts vs. app display for viewing opportunities
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- App stuck on 'Loading...' screen indefinitely
- Unable to get past notification permission popup
- Inaccurate ISS and Tiangong tracking information
- App won't update after scrubbed or postponed launches
- Inconsistent notification delivery timing
Requested features
14 requests- Location-based filtering (e.g., Cape Canaveral only)
- Dark mode for night launches
- Apple Watch app support
- Home screen and lock screen widgets
- Fine-tuned notification settings (visibility, altitude, brightness)
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- Launch azimuth information for photography
- TV app with auto-scrolling launch schedule
- Separate list for space tourists vs. professional astronauts
- Filter notifications by mission type (crewed, first flight, test flight)
- Auto-update location detection
- YouTube livestream integration
- Apple TV native app support
- Calendar integration (EventKit)
- Trajectory information for launch viewing
Note Essence
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Supercluster
No in-app purchases
Note Essence
No in-app purchases
Questions
Is Supercluster free?
Is Note Essence free?
Which has better reviews, Supercluster or Note Essence?
Do Supercluster or Note Essence have ads?
Which is updated more often, Supercluster or Note Essence?
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